{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["material", "machanical property", "enabling technology", "application", "process characterization", "concept or principle"], "input": "Ultrasonic additive manufacturing ( UAM ) is a solid-state additive manufacturing technique employing principles of ultrasonic welding coupled with mechanized tape layering to fabricate fully functional parts ."}
{"material": [], "machanical property": [], "enabling technology": [], "application": [], "process characterization": [], "concept or principle": ["solid-state"]}